Simms Reservoir

MILLS CREEK· Klamath, Oregon· Built 1915· Earth· 15 ft tall
Low Hazard Irrigation Private

Key Takeaway

Simms Reservoir is classified as low hazard in Oregon. It was completed in 1915 and is 111 years old. Its primary use is irrigation.

Physical Details

Dam Height 15 ft (taller than 16% in OR)
Dam Length680 ft
Dam TypeEarth
Max Storage515 acre-ft
Normal Storage415 acre-ft
Surface Area65 acres
Drainage Area6 sq mi
Max Discharge333 cfs
Year Completed1915 (111 years old)
NID IDOR00043

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: August 9, 2018
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

LESTER STURM

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Simms Reservoir?

Simms Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Simms Reservoir?

Simms Reservoir is owned by LESTER STURM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Simms Reservoir built?

Simms Reservoir was completed in 1915, making it 111 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Simms Reservoir?

Simms Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Simms Reservoir?

Simms Reservoir has a dam height of 15 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Simms Reservoir last inspected?

Simms Reservoir was last inspected on August 9, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.